Semperfli Nano Silk 6/0 White is a Gel Spun Yarn fly tying thread designed for extreme strength in an ultra-thin profile. Made from Gel Spun Yarn (GSP), it delivers high tension on large flies while remaining nearly invisible in the finished pattern. This 100 Denier Predator 6/0 thread is engineered for streamer patterns where you need to crank down and still maintain a clean head.

• Material: Gel Spun Yarn (GSP)
• Color: White
• Denier / size: 100 Denier, 6/0
• Length: 100 m spool
• Best use: large flies and streamer patterns that demand strength
• Finish method: mark with a marker before whip finish, then coat with UV resin for a durable finish
• Compatibility: recommended with a ceramic bobbin